RE: [Xen-users] xen3.0.2 4G ram

["Petersson, Mats" <Mats.Petersson@xxxxxxx>]

> -----Original Message-----
> From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx 
> [mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of 
> marek cervenka
> Sent: 07 June 2006 16:46
> To: xen-users@xxxxxxxxxxxxxxxxxxx
> Subject: Re: [Xen-users] xen3.0.2 4G ram
> 
> 
> recompiled, PAE enabled
> (XEN) System RAM: 4095MB (4193308kB)
> (XEN) Xen heap: 10MB (10412kB)
> (XEN) Using scheduler: Simple EDF Scheduler (sedf)
> (XEN) PAE enabled, limit: 16 GB
> 
> 3200MB HIGHMEM available.
> 727MB LOWMEM available.

Ah, you solved it yourself!

> 
> are there "performance" statistics for PAE vs nonPAE ?

Shouldn't be a major difference - the third level page-table only has
four possible entries (one for each gigabyte), so it should "cache"
pretty well. 

Of course handling of page-tables will be slightly more, but unlikely to
be noticable in general use. 

--
Mats
[snip]


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